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Fish weirs! They found some over 100 years ago in Boston when they were building the subway. https://en.wikipedia.org/wiki/Boylston_Street_Fishweir https://en
by cbm-vic-20 5y ago
Fish weirs! They found some over 100 years ago in Boston when they were building the subway.
https://en.wikipedia.org/wiki/Boylston_Street_Fishweir https://en.wikipedia.org/wiki/Boylston_Street_Fishweir